login

A176917 as a triangular array

1
10
110
1000
11100
100000
1102000
10100000
110010000
1000000000
11120300000
100000000000

A176917 as a square array

111111111111
01010101010
0010010010
000200020
00001000
0000030
000000
00000
0000
000
00
0
111111111111
01010101010
0010010010
000200020
00001000
0000030
000000
00000
0000
000
00
0